---> uname -a:
Linux prd-ubuntu1804-builder-4c-4g-710 4.15.0-192-generic #203-Ubuntu SMP Wed Aug 10 17:40:03 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux

---> lscpu:
Architecture:        x86_64
CPU op-mode(s):      32-bit, 64-bit
Byte Order:          Little Endian
CPU(s):              4
On-line CPU(s) list: 0-3
Thread(s) per core:  1
Core(s) per socket:  1
Socket(s):           4
NUMA node(s):        1
Vendor ID:           AuthenticAMD
CPU family:          23
Model:               49
Model name:          AMD EPYC-Rome Processor
Stepping:            0
CPU MHz:             2800.000
BogoMIPS:            5600.00
Virtualization:      AMD-V
Hypervisor vendor:   KVM
Virtualization type: full
L1d cache:           32K
L1i cache:           32K
L2 cache:            512K
L3 cache:            16384K
NUMA node0 CPU(s):   0-3
Flags:               fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl xtopology cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves clzero xsaveerptr arat npt nrip_save umip rdpid arch_capabilities

---> nproc:
4

---> df -h:
Filesystem      Size  Used Avail Use% Mounted on
udev            2.0G     0  2.0G   0% /dev
tmpfs           395M  664K  394M   1% /run
/dev/vda1        20G  7.7G   12G  40% /
tmpfs           2.0G     0  2.0G   0% /dev/shm
tmpfs           5.0M     0  5.0M   0% /run/lock
tmpfs           2.0G     0  2.0G   0% /sys/fs/cgroup
/dev/vda15      105M  4.4M  100M   5% /boot/efi
tmpfs           395M     0  395M   0% /run/user/1001

---> free -m:
              total        used        free      shared  buff/cache   available
Mem:           3943         557        1107           0        2279        3120
Swap:          1023           0        1023

---> ip addr:
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host 
       valid_lft forever preferred_lft forever
2: ens3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1450 qdisc fq_codel state UP group default qlen 1000
    link/ether fa:16:3e:47:dc:84 brd ff:ff:ff:ff:ff:ff
    inet 10.32.7.217/23 brd 10.32.7.255 scope global dynamic ens3
       valid_lft 86052sec preferred_lft 86052sec
    inet6 fe80::f816:3eff:fe47:dc84/64 scope link 
       valid_lft forever preferred_lft forever

---> sar -b -r -n DEV:
Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-710) 	05/10/25 	_x86_64_	(4 CPU)

23:17:51     LINUX RESTART	(4 CPU)

23:18:01          tps      rtps      wtps   bread/s   bwrtn/s
23:19:02       135.34     54.32     81.02   3585.14   7634.73
23:20:01        84.87     30.18     54.69   1656.53  10487.04
23:21:01        10.06      0.00     10.06      0.00    452.99
23:22:01        35.91     10.61     25.30    722.81   3159.87
23:23:01        44.49      6.90     37.59    258.09   8653.76
Average:        62.06     20.37     41.69   1243.14   6062.93

23:18:01    kbmemfree   kbavail kbmemused  %memused kbbuffers  kbcached  kbcommit   %commit  kbactive   kbinact   kbdirty
23:19:02      1820036   3389960   2218608     54.93     50444   1674764    589020     11.58    509232   1535224    168244
23:20:01      1511752   3247892   2526892     62.57     57796   1826360    719432     14.14    665324   1671616      4764
23:21:01      1477124   3220760   2561520     63.43     59696   1830732    749908     14.74    693408   1675424      1416
23:22:01       314916   2168240   3723728     92.20     62080   1934224   1736344     34.13   1778020   1739772       668
23:23:01      1167528   3227436   2871116     71.09     67156   2130860    693224     13.63    852704   1807076     29168
Average:      1258271   3050858   2780373     68.84     59434   1879388    897586     17.64    899738   1685822     40852

23:18:01        IFACE   rxpck/s   txpck/s    rxkB/s    txkB/s   rxcmp/s   txcmp/s  rxmcst/s   %ifutil
23:19:02           lo      1.07      1.07      0.10      0.10      0.00      0.00      0.00      0.00
23:19:02         ens3    362.61    231.36   1619.90     66.70      0.00      0.00      0.00      0.00
23:20:01           lo      1.36      1.36      0.13      0.13      0.00      0.00      0.00      0.00
23:20:01         ens3    124.61    121.12    782.79     25.05      0.00      0.00      0.00      0.00
23:21:01           lo      0.27      0.27      0.02      0.02      0.00      0.00      0.00      0.00
23:21:01         ens3     64.57     94.33     67.86     15.15      0.00      0.00      0.00      0.00
23:22:01           lo    119.53    119.53     36.38     36.38      0.00      0.00      0.00      0.00
23:22:01         ens3    262.49    272.35   1334.97     49.59      0.00      0.00      0.00      0.00
23:23:01           lo      0.27      0.27      0.02      0.02      0.00      0.00      0.00      0.00
23:23:01         ens3    549.43    423.38   1469.94    176.34      0.00      0.00      0.00      0.00
Average:           lo     24.57     24.57      7.36      7.36      0.00      0.00      0.00      0.00
Average:         ens3    273.24    228.87   1056.00     66.71      0.00      0.00      0.00      0.00

---> sar -P ALL:
Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-710) 	05/10/25 	_x86_64_	(4 CPU)

23:17:51     LINUX RESTART	(4 CPU)

23:18:01        CPU     %user     %nice   %system   %iowait    %steal     %idle
23:19:02        all     21.08      0.00      1.65      3.97      0.05     73.24
23:19:02          0     17.00      0.00      1.30      2.15      0.03     79.52
23:19:02          1     38.25      0.00      2.23      2.53      0.08     56.90
23:19:02          2      7.98      0.00      1.19      6.77      0.05     84.02
23:19:02          3     21.16      0.00      1.91      4.42      0.05     72.46
23:20:01        all     14.31      0.00      0.76      1.55      0.05     83.33
23:20:01          0      7.01      0.00      0.80      3.02      0.03     89.14
23:20:01          1     23.46      0.00      1.17      1.64      0.07     73.66
23:20:01          2     10.69      0.00      0.66      1.29      0.07     87.29
23:20:01          3     15.95      0.00      0.42      0.25      0.05     83.32
23:21:01        all      4.58      0.00      0.18      0.05      0.03     95.16
23:21:01          0      4.44      0.00      0.20      0.00      0.02     95.35
23:21:01          1      7.86      0.00      0.26      0.10      0.05     91.73
23:21:01          2      2.17      0.00      0.18      0.10      0.03     97.51
23:21:01          3      3.77      0.00      0.07      0.00      0.02     96.15
23:22:01        all     35.17      0.00      1.34      0.23      0.07     63.19
23:22:01          0     33.69      0.00      1.27      0.20      0.07     64.77
23:22:01          1     32.93      0.00      1.25      0.35      0.07     65.41
23:22:01          2     37.83      0.00      1.86      0.28      0.08     59.95
23:22:01          3     36.26      0.00      1.00      0.07      0.07     62.61
23:23:01        all     27.54      0.00      1.28      0.45      0.06     70.67
23:23:01          0     18.80      0.00      1.32      0.02      0.03     79.83
23:23:01          1     25.60      0.00      0.78      0.53      0.05     73.03
23:23:01          2     24.94      0.00      1.34      0.94      0.05     72.73
23:23:01          3     40.76      0.00      1.68      0.32      0.07     57.18
Average:        all     20.54      0.00      1.04      1.25      0.05     77.12
Average:          0     16.22      0.00      0.98      1.07      0.04     81.70
Average:          1     25.56      0.00      1.14      1.03      0.06     72.21
Average:          2     16.73      0.00      1.05      1.88      0.06     80.29
Average:          3     23.61      0.00      1.02      1.01      0.05     74.31